#pragma once
#include<stdio.h>
#include<stdlib.h>
#include<assert.h>
typedef int elemtype;

typedef struct Sqlist 
{
	elemtype * arr;
	int size;
	int capacity;
}SL;


void SqInit(SL* sl);

void SqDestroy(SL* sl);

void SqPrint(SL* sl);

void SqCheckCapacity(SL* sl);

void SqPushBack(SL* sl, elemtype x);

void SqPopBack(SL* sl);


